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C++自動生成迷宮游戲

更新時間：2020年03月20日 07:17:05 作者：qq_40399247

這篇文章主要為大家詳細介紹了C++自動生成迷宮游戲，運用并查集自動生成迷宮地圖，文中示例代碼介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們可以參考一下

本文實例為大家分享了C++實現(xiàn)迷宮游戲的具體代碼，供大家參考，具體內(nèi)容如下

運用并查集自動生成迷宮地圖，并運用隊列和棧尋找迷宮通路并打印出來

#include<stdlib.h>
#include<iostream>
#include<time.h>
#include<queue>
#include<stack>
using namespace std;
using std::queue;
using std::stack;
typedef struct Point
{
 int x;
 int y;
 int d;//方向 若方向為-1，則表示起點
}Point;
queue<Point> mqueue;
stack<Point> mstack;
Point pos, pos1;
int m, n;//迷宮行（tm-1）/2和列（tn-1）/2
int tm, tn;//實際作圖
int x, y, tx1, tx2, ty1, ty2;//點坐標(biāo)
int d;
int s[10000000];
int maze[1000][1000], mark[1000][1000];//最大迷宮
int sign[4][2] = { { -1,0 },{ 1,0 },{ 0,-1 },{ 0,1 } };//上下左右四個方向 0上 1下 2上 3下
Point start;
int Find_x(int x);
void unionSets(int node1, int node2);
void Init();
int getAdd(int x, int y);
void foundpath();
void fixmaze();
int connected(int node1, int node2);
void Findpath();
void changemaze();
int main()
{
 Init();
 cout << "請輸入迷宮規(guī)模2x-1,2y-1：（x y）" << endl;
 cin >> m >> n;
 tm = m * 2 + 1;
 tn = n * 2 + 1;
 start.x = 1;
 start.y = 1;
 start.d = -1;
 mqueue.push(start);
 for (int i = 0; i < tm; i++)
 {
 for (int j = 0; j < tn; j++)
 {
  maze[i][j] = 1;
  mark[i][j] = 0;
 }
 }
 for (int i = 1; i < tm - 1; i += 2)
 {
 for (int j = 1; j < tn - 1; j += 2)
  maze[i][j] = 0;
 }
 srand(time(NULL));
 foundpath();
 fixmaze();
 cout << "迷宮全圖：" << endl;
 for (int i = 0; i < tm; i++)
 {
 for (int j = 0; j < tn; j++)
 {
  if (maze[i][j] == 1)
  cout << "▇";
  else if (maze[i][j] == 0) cout << "□";
 }
 cout << endl;
 }
 Findpath();
 changemaze();
 cout << "找到的通路：“..”表示：" << endl;
 for (int i = 0; i < tm; i++)
 {
 for (int j = 0; j < tn; j++)
 {
  if (maze[i][j] == 1)
  cout << "▇";
  else if (maze[i][j] == 0) cout << "□";
  else if (maze[i][j] == -1) cout << "..";

 }
 cout << endl;
 }
 system("pause");
 return 0;
}
int connected(int node1, int node2)
{
 return Find_x(node1) == Find_x(node2);
}
int Find_x(int x)
{
 if (s[x] < 0)
 return x;
 else
 return Find_x(s[x]);


};
void unionSets(int node1, int node2)
{
 int root1 = Find_x(node1);
 int root2 = Find_x(node2);
 if (root1 == root2)
 return;
 if (s[root2] < s[root1])
 s[root1] = root2;
 else {
 if (s[root1] == s[root2])
  s[root1]--;
 s[root2] = root1;
 }
};
int getAdd(int x, int y)
{
 return (x*tn + y);
};
void Init()
{
 for (int i = 0; i < 10000000; ++i)
 s[i] = -1;
};
void foundpath()
{
 while (connected(getAdd(1, 1), getAdd(tm - 2, tn - 2)) != 1)
 {
 do
 {
  x = rand() % (tm - 2) + 1;
  y = rand() % (tn - 2) + 1;
 } while (maze[x][y] == 0);
 d = x % 2;
 if (d == 0)
 {
  tx1 = x + 1;
  ty1 = y;
  tx2 = x - 1;
  ty2 = y;
  if (connected(getAdd(tx1, ty1), getAdd(tx2, ty2)) != 1)
  {
  maze[x][y] = 0;
  unionSets(Find_x(getAdd(tx1, ty1)), Find_x(getAdd(tx2, ty2)));
  }
 }
 else if (d == 1)
 {
  tx1 = x;
  ty1 = y + 1;
  tx2 = x;
  ty2 = y - 1;
  if (connected(getAdd(tx1, ty1), getAdd(tx2, ty2)) != 1)
  {
  maze[x][y] = 0;
  unionSets(Find_x(getAdd(tx1, ty1)), Find_x(getAdd(tx2, ty2)));
  }
 }
 }
}
void fixmaze()
{
 for (int i = 1; i < tm - 1; i++)
 {
 for (int j = 1; j < tn - 1; j++)
 {
  if (maze[i - 1][j] == 1 && maze[i + 1][j] == 1 && maze[i][j + 1] == 1 && maze[i][j - 1] == 1)
  {
  maze[i][j] = 1;
  }
 }
 }
 for (int i = 1; i < tm - 1; i++)
 {
 for (int j = 1; j < tn - 1; j++)
 {
  if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
  {
  maze[i][j] = 1;
  }
  if (maze[i - 1][j - 1] == 1 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
  {
  maze[i][j] = 1;
  }
  if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 1 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
  {
  maze[i][j] = 1;
  }
  if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 1 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
  {
  maze[i][j] = 1;
  }
  if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 1 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
  {
  maze[i][j] = 1;
  }
  if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 1 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
  {
  maze[i][j] = 1;
  }
  if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 1 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
  {
  maze[i][j] = 1;
  }
  if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 1 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 0)
  {
  maze[i][j] = 1;
  }
  if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 1 && maze[i + 1][j + 1] == 0)
  {
  maze[i][j] = 1;
  }
  if (maze[i - 1][j - 1] == 0 && maze[i - 1][j] == 0 && maze[i - 1][j + 1] == 0 && maze[i][j - 1] == 0 && maze[i][j] == 0 && maze[i][j + 1] == 0 && maze[i + 1][j - 1] == 0 && maze[i + 1][j] == 0 && maze[i + 1][j + 1] == 1)
  {
  maze[i][j] = 1;
  }
 }
 }//局部優(yōu)化，防止出現(xiàn)大面積通路
}
void Findpath()
{
 int flag = 0;
 int i, j;
 while (!mqueue.empty())
 {
 i = mqueue.front().x;
 j = mqueue.front().y;
 mark[i][j] = 1;
 for (int k = 0; k < 4; k++)
 {
  if (mark[i + sign[k][0]][j + sign[k][1]] == 0 && maze[i + sign[k][0]][j + sign[k][1]] == 0)
  {
  pos.x = i + sign[k][0];
  pos.y = j + sign[k][1];
  pos.d = k;
  mark[pos.x][pos.y] = 1;
  mqueue.push(pos);
  if (mqueue.back().x == tm - 2 && mqueue.back().y == tn - 2)
  {
   mstack.push(mqueue.front());
   mstack.push(mqueue.back());
   flag = 1;
   break;
  }
  }
 }
 if (flag) break;
 mstack.push(mqueue.front());
 if (!mqueue.empty())
  mqueue.pop();
 }
}
void changemaze()
{
 int i, j, k;
 i = mstack.top().x;
 j = mstack.top().y;
 k = mstack.top().d;
 maze[i][j] = -1;
 while (mstack.size()>0)
 {
 if (mstack.top().x == i - sign[k][0] && mstack.top().y == j - sign[k][1])
 {
  i = i - sign[k][0];
  j = j - sign[k][1];
  k = mstack.top().d;
  maze[i][j] = -1;
  if (!mstack.empty())
  mstack.pop();
 }
 else if (!mstack.empty())
  mstack.pop();

 }
}

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